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Lillie Martin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Baltimore-City-County, Maryland

Our Model Tree links this Lillie Martin across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.

Age 19 b. ~1921 Female Daughter Born: Maryland Single

1940 Census Record Details

Census Year1940
LocationBaltimore-City-County, Maryland
SurnameMartin
Given NameLillie
Relationship to HeadDaughter
SexF
Color / RaceBlack
Age19
Marital StatusSingle
BirthplaceMaryland
1935 Residence (City)Baltimore City
1935 Residence (County)Baltimore City
Additional Details
Income (1939)0
Highest GradeHs 4
1935 ResidenceSame place
Birth StateMaryland
Birth CountryUnited States
Birthplace (normalized)maryland
Township / WardBaltimore City
Est. Birth Year~1921

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

8 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Lillie Age Birth yr
Lillie Martin Daughter — 19 ~1921
Grace Martin Spouse — 39 ~1901
Bernard Martin Son — 9 ~1931
William Martin Head — 42 ~1898
David Martin Son — 15 ~1925
Morris Martin Son — 17 ~1923
Walter Martin Son — 13 ~1927
Mae Martin Daughter — 7 ~1933

Census Appearances

1930
Baltimore, Maryland
Other, age 9
Baltimore, Maryland · implied b. ~1921 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Martin
Given Name Lillian
Relationship to Head Step daughter
Sex F
Color / Race White
Age 9
Marital Status Single
Birthplace Maryland
Father's Birthplace Virginia
Mother's Birthplace Maryland
Can Read/Write Yes
Birth State Maryland
Birth Country United States
Birthplace (normalized) maryland
1940
Baltimore-City-County, Maryland
Daughter, age 19
Baltimore-City-County, Maryland · implied b. ~1921 — 8 household members
Surname Martin
Given Name Lillie
Relationship to Head Daughter
Sex F
Color / Race Black
Age 19
Marital Status Single
Birthplace Maryland
1935 Residence (City) Baltimore City
1935 Residence (County) Baltimore City
Income (1939) 0
Highest Grade Hs 4
1935 Residence Same place
Birth State Maryland
Birth Country United States
Birthplace (normalized) maryland

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Lillie Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillie Martin
Daughter · 1940 · age 19 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Bernard Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Martin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mae Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Martin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Baltimore-City-County, Maryland Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01523-00763)

Line Name Age Relation Occupation Birthplace
1 Belle Booker 49 Head Maid Virginia
2 Julian Booker 13 Daughter — Maryland
3 Elizabeth Carter 27 Sister Maid Virginia
4 Carrie Carter 21 Sister Cook Virginia
5 Jerry Read 33 Head Truck Driver Florida
6 Lillian Read 30 Wife Maid Virginia
7 John Daell 34 Head Truck Driver Maryland
8 Beatrice Daell 33 Wife Maid Virginia
9 Althea Daell 16 Daughter — Virginia
10 James Daell 36 Brother Laborer Maryland
11 Dorothy Edwards 30 Lodger Maid Maryland
12 Mildred Ganer 28 Lodger Maid Virginia
13 Minnie Walker 31 Lodger Cook Virginia
14 William Aimes 32 Head Laborer Virginia
15 Geraldine Aimes 31 Wife — Virginia
16 Agness Aimes 8 Daughter — Virginia
17 Dominick Aimes 7 Daughter — Virginia
18 Sarahura E. Aimes 5 Daughter — Virginia
19 William Jr. Aimes 4 Son — Maryland
20 Rosa Keen 40 Head Maid Maryland
21 Hubert S. Aimes 30 Head Porter Virginia
22 Julia Aimes 25 Wife Cook Virginia
23 Viola Blackwell 35 Head Maid Virginia
24 Earl Blackwell 16 Son Laborer Virginia
25 Peggie Blackwell 12 Daughter — Virginia
26 Mildred Blackwell 10 Daughter — Virginia
27 Maria Winfield 40 Head Maid Maryland
28 Elenora Parman 25 Lodger Maid Maryland
29 Ferdnan Binico 43 Lodger — Virginia
30 Isabella Rae 38 Head Maid Maryland
31 James Mathews 33 Head Laborer South Carolina
32 William Martin 42 Head Laborer District of Col.
33 Grace Martin 39 Wife — Maryland
34 Lillie Martin THIS PERSON 19 Daughter — Maryland
35 Morris Martin 17 Son — Maryland
36 David Martin 15 Son — Maryland
37 Walter Martin 13 Son — Maryland
38 Bernard Martin 9 Son — Maryland
39 Mae Ellen Martin 7 Daughter — Maryland

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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